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Misleading fruits: The non-monophyly of Pseudopiptadenia and Pityrocarpa supports generic re-circumscriptions and a new genus within mimosoid legumes

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Misleading fruits: The non-monophyly of Pseudopiptadenia and Pityrocarpa supports generic re-circumscriptions and a new genus within mimosoid legumes

by
Borges, Leonardo M.; Inglis, Peter W.; Simon, Marcelo F.; Ribeiro, Pétala Gomes; de Queiroz, Luciano P.

Publication date
Usage
Attribution 4.0 InternationalCreative Commons Licenseby
Topics
Caesalpinioideae, Fabaceae, Leguminosae, Parapiptadenia, Stryphnodendron clade, tropical America
Publisher
Pensoft Publishers
Collection
biodiversity
Contributor
Pensoft Publishers
Language
English
Rights
https://biodiversitylibrary.org/permissions
Rights-holder
Copyright held by individual article author(s).
Volume
205
Item Size
23.9M
Abstract
Generic delimitation in Piptadenia and allies (mimosoid legumes) has been in a state of flux, particularly caused by over-reliance on fruit and seed morphology to segregate species out of Piptadenia into the genera Parapiptadenia, Pityrocarpa and Pseudopiptadenia. Although supporting their segregation from Piptadenia, previous phylogenetic analyses suggested that some of these segregated genera are not monophyletic. Here, we test the monophyly of Parapiptadenia, Pityrocarpa and Pseudopiptadenia with dense taxon sampling across these genera, including the type species of each genus. Our analysis recovers Parapitadenia as monophyletic, but places Pseudopiptadenia species in two distinct lineages, one of which includes all three species of Pityrocarpa. Given that the type species of both Pseudopiptadenia and Pityrocarpa are nested in the same clade, we subsume Pseudopiptadenia under the older name Pityrocarpa. The remaining Pseudopiptadenia species are assigned to the new genus Marlimorimia. Alongside high molecular phylogenetic support, recognition of Parapiptadenia, Pityrocarpa and Marlimorimia as distinct genera is also supported by combinations of morphological traits, several of which were previously overlooked.
Addeddate
2025-05-02 19:14:49
Bhl_virtual_titleid
210913
Bhl_virtual_volume
v.205 (2022)
Call number
10_3897_phytokeys_205_82275
Call-number
10_3897_phytokeys_205_82275
Foldoutcount
0
Genre
article
Identifier
misleadingfruit205borg
Identifier-ark
ark:/13960/s21v8bsd2kq
Identifier-bib
10_3897_phytokeys_205_82275
Identifier-doi
10.3897/phytokeys.205.82275


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